Share-Based Compensation - Summary of Number of Options Outstanding and Weighted-average Exercise Price (Details) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2022 |
Dec. 31, 2021 |
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| Compensation Related Costs [Abstract] | ||
| Number of Shares, Options outstanding Beginning Balance | 16,029,810 | |
| Number of Shares, Granted | 197,436 | |
| Number of Shares, Options outstanding Ending Balance | 16,227,246 | 16,029,810 |
| Number of Shares, Exercisable at March 31, 2022 (unaudited) | 547,583 | |
| Weighted Average Exercise Price, Options outstanding Beginning Balance | $ 2.01 | |
| Weighted Average Exercise Price, Granted | 0.43 | |
| Weighted Average Exercise Price, Options outstanding Ending Balance | 1.99 | $ 2.01 |
| Weighted Average Exercise Price, Exercisable at March 31, 2022 | $ 7.10 | |
| Weighted Average Remaining Contractual Life in Years, Options outstanding | 9 years 2 months 8 days | 9 years 5 months 1 day |
| Weighted Average Remaining Contractual Life in Years, Exercisable at March 31, 2022 (unaudited) | 6 years 5 months 26 days |
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- References No definition available.
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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